Research Article

Modelling pH-Optimized Degradation of Microgel-Functionalized Polyesters

Table 1

Parameters used for simulation.

Symbol ValueUnitDescriptionSource

mol/LEquilibrium constant of dissociation reaction of COOH at 37°C[28]
(mol/L)2Equilibrium constant of dissociation reaction of H2O at 37°C[36]
1/weekRate constant of spontaneous ester bond scissionFit to experiments
Rate constant for autocatalyzed ester bond scissionFit to experiments
mol/LEquilibrium constant for buffer reaction at 20°CFit to experiments
mol/LInitial buffer concentrationFit to experiments
Fraction of volumes occupied by gel and polymerDerived from experimental procedure
Fraction of volumes occupied by polymer + gel and polymer
m2/weekDiffusion constant of oligomer in the polymer [28]
m2/weekDiffusion constant of oligomer in water[37]
mmThickness of polymer foilDerived from experimental procedure
mmThickness of water column above polymer foilDerived from experimental procedure